<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>主页</title>
</head>
<body>
<h1>主页</h1>
<h2>测试文件上传:</h2>
<form method="post" action="/file/upload" enctype="multipart/form-data">
    <input type="file" name="file"/><br/>
    <input type="submit" value="上传"/><br/>
</form>
<h2>测试视频播放:</h2>
<video src="/file/video" controls></video>
</body>
</html>